OpenTechnical

OT-2026-000097613

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000097613) never changes.

Identity and time

Publication numberOT-2026-000097613 · never reused
Internal UUID01a0aea1-92f2-7cd2-bc9d-ef08d603fd49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097613
StatusPUBLIC

Content hashes

Canonical text7ca8b4f76e0de81c777d62f378e8fdcfadd783b4c3b4f94d9c4633c5ad8e5584
Markdown90f0b0996e4c453638d819aac96e6018458e0c7230f4f0d011384495c3a862ff
PDF
Publication page3d12b6d263ba5f332818bffac509bfe89f4ac50f6187d57e1b324fb4c4f11a91
Manifesteacd1d7793fcd8bef94f5094476bc6c1a86f341835ed8bed2537bfcb4cf52a30

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturejD1LtSMH/KbI5gCLVWtLMkoW2fIXQzmxpxivOQBRTDq1yualNWr4Y4w2UV4RFge2mFkKqlgRVWPzyKkYM+5rBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:37.216661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097613
observed 3d12b6d263ba5f332818bffac509bfe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.197780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097613/manifest.json
observed eacd1d7793fcd8bef94f5094476bc6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.179787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097613/publication.md
observed 90f0b0996e4c453638d819aac96e6018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:37.163112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097613/publication.txt
observed 7ca8b4f76e0de81c777d62f378e8fdcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.